临床肿瘤学杂志 ›› 2018, Vol. 23 ›› Issue (5): 429-434.

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微小RNA-30c在肾癌组织中的表达及其临床意义

  

  1. 3222805  湖北随州  湖北医药学院附属随州医院肾病科
  • 收稿日期:2018-01-27 修回日期:2018-03-17 出版日期:2018-05-31 发布日期:2018-06-07

Expression of microRNA-30c in renal cell carcinoma and its clinical significance

  1. Department of Nephropathy, Suizhou Hospital Affiliated to Hubei Medical College, Suizhou 3222805, China
  • Received:2018-01-27 Revised:2018-03-17 Online:2018-05-31 Published:2018-06-07

摘要: 目的   探讨微小RNA-30c(miR-30c)在肾癌组织中的表达及其临床病理特征和预后关系。方法   收集本院2012年1月至2015年12月经手术切除的95例肾癌组织和82例癌旁组织标本,采用实时定量PCR(QPCR)检测以上组织中miR-30c水平,分析miR-30c表达与肾癌临床病理参数(性别、年龄、TNM分期、淋巴结转移、远处转移和T分期)及预后的关系,采用Cox回归模型进行多因素分析。结果  QPCR检测发现95例肾癌组织中miR-30c的表达水平为0.561±0.378,低于82例癌旁组织的1.220±0.820(P<0.05)。肾癌组织中miR-30表达与性别、远处转移和年龄均无关(P>0.05),而与TNM分期、淋巴结转移和T分期均有关(P<0.05),其中Ⅲ~Ⅳ期、淋巴结转移及T3~T4期的miR-30c相对表达量分别为0.422±0.219、0.442±0.299和0.408±0.194,均低于Ⅰ~Ⅱ期、无淋巴结转移及T1~T2期的0.671±0.439、0.619±0.400和0.654±0.431(P<0.05);Ⅲ~Ⅳ期、淋巴结转移及T3~T4期的miR-30c高表达率分别为21.43%(9/42)、16.13%(5/31)和19.44%(7/36),均低于Ⅰ~Ⅱ期、无淋巴结转移及T1~T2期的41.51%(22/53)、16.13%(26/64)和40.68%(24/59),差异均有统计学意义(P<0.05)。miR-30c低表达组的中位总生存期为37.0个月,短于高表达组(>60.0个月),差异有统计学意义(P<0.05)。Cox回归模型分析发现,TNM分期、淋巴结转移、远处转移、T分期及miR-30c表达均是影响预后的独立因素。结论   肾癌组织中miR-30c低表达,miR-30c参与肾癌的发生发展且与预后有关,其中miR-30c低表达者的预后较差,是影响预后的独立因素。


关键词: 肾癌, 微小RNA-30c, 临床病理, 预后

Abstract: Objective   To investigate the expression of microRNA-30c (miR-30c) in renal cell carcinoma and its relationship with clinicopathological features and prognosis. Methods Ninety-five cases of surgical removed renal cell carcinoma tissues and 82 cases of paracancerous tissues from January 2012 to December 2015 were collected. Real-time quantitative PCR (QPCR) was used to detect the level of miR-30c in the above tissues. The relationship between miR-30c expression and clinicopathological parameters (gender, age, TNM stage, lymph node metastasis, distant metastasis and T staging) and prognosis of renal cell carcinoma were analyzed. Cox regression model was used for multivariate analysis. Results QPCR detection showed that the expression level of miR-30c in 95 cases of renal cell carcinoma was 0.561±0.378, lower than 1.220±0.820 in 82 cases of adjacent tissues (P<0.001). The expression of miR-30 in renal cell carcinoma was not related to sex, age and distant metastasis (P>0.05), but related to TNM stage, lymph node metastasis and T stage (P<0.05). The relative expressions of miR-30c in Ⅲ-Ⅳ stage, lymph node metastasis and T3-T4 stage were 0.422±0.219, 0.442±0.299 and 0.408±0.194, lower than 0.671±0.439, 0.619±0.400 and 0.654±0.431 in Ⅰ-Ⅱ stage, no lymph node metastasis and T1-T2 stage (P<0.05). The high expression rates of miR-30c in Ⅲ-Ⅳ stage, lymph node metastasis and T3-T4 stage were 21.43%(9/42), 16.13%(5/31) and 19.44%(7/36), lower than 41.51%(22/53), 16.13%(26/64) and 40.68%(24/59) of Ⅰ-Ⅱ stage, no lymph node metastasis and T1-T2 stage (P<0.05). The median overall survival of miR-30c expression in the low level group was 37.0 months, which was significantly shorter than that in the high level group (>60.0 months), and the difference was statistically significant (P<0.05). Cox regression analysis showed that TNM stage, lymph node metastasis, distant metastasis, T stage and miR-30c expression were independent prognostic factors of renal cell carcinoma. Conclusion The low expression of miR-30c in renal carcinoma is involved in the development of renal cancer and is related to the prognosis. The prognosis of low expression of miR-30c is poor, and the level of miR-30c is an independent factor affecting the prognosis.

Key words: Renal cell carcinoma, MicroRNA-30c, Clinicopathology, Prognosis

中图分类号: 

  • R737.11
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